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Use standard C++ timer for long timeouts (#1327), remove unused code (#1328)

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* Replace timer in WaitSignal()

' Remove unused code

* Remove unused file
This commit is contained in:
Uwe Seimet 2023-11-14 16:03:25 +01:00 committed by GitHub
parent 7fa9abe5a3
commit baf89dcf86
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GPG Key ID: 4AEE18F83AFDEB23
18 changed files with 37 additions and 149 deletions
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35
cpp/hal/bus.cpp
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@ -60,23 +60,28 @@ const char* BUS::GetPhaseStrRaw(phase_t current_phase) {
return it != phase_str_mapping.end() ? it->second : "INVALID";
}
//---------------------------------------------------------------------------
// Phase Table
// Reference Table 8: https://www.staff.uni-mainz.de/tacke/scsi/SCSI2-06.html
// This determines the phase based upon the Msg, C/D and I/O signals.
//
// Phase Table
// Reference Table 8: https://www.staff.uni-mainz.de/tacke/scsi/SCSI2-06.html
// This determines the phase based upon the Msg, C/D and I/O signals.
//
//---------------------------------------------------------------------------
// |MSG|C/D|I/O| Phase
// | 0 | 0 | 0 | DATA OUT
// | 0 | 0 | 1 | DATA IN
// | 0 | 1 | 0 | COMMAND
// | 0 | 1 | 1 | STATUS
// | 1 | 0 | 0 | RESERVED
// | 1 | 0 | 1 | RESERVED
// | 1 | 1 | 0 | MESSAGE OUT
// | 1 | 1 | 1 | MESSAGE IN
const array<phase_t, 8> BUS::phase_table = {
// | MSG|C/D|I/O |
phase_t::dataout, // | 0 | 0 | 0 |
phase_t::datain, // | 0 | 0 | 1 |
phase_t::command, // | 0 | 1 | 0 |
phase_t::status, // | 0 | 1 | 1 |
phase_t::reserved, // | 1 | 0 | 0 |
phase_t::reserved, // | 1 | 0 | 1 |
phase_t::msgout, // | 1 | 1 | 0 |
phase_t::msgin // | 1 | 1 | 1 |
phase_t::dataout,
phase_t::datain,
phase_t::command,
phase_t::status,
phase_t::reserved,
phase_t::reserved,
phase_t::msgout,
phase_t::msgin
};
//---------------------------------------------------------------------------

7
cpp/hal/bus.h
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@ -68,8 +68,7 @@ class BUS : public PinControl
// Operation modes definition
enum class mode_e {
TARGET = 0,
INITIATOR = 1,
MONITOR = 2,
INITIATOR = 1
};
static int GetCommandByteCount(uint8_t);
@ -86,7 +85,6 @@ class BUS : public PinControl
// Get the string phase name, based upon the raw data
static const char *GetPhaseStrRaw(phase_t current_phase);
virtual int GetMode(int pin) = 0;
virtual uint32_t Acquire() = 0;
virtual unique_ptr<DataSample> GetSample(uint64_t timestamp = 0) = 0;
@ -97,9 +95,6 @@ class BUS : public PinControl
// SEL signal event polling
virtual bool PollSelectEvent() = 0;
// Clear SEL signal event
virtual void ClearSelectEvent() = 0;
virtual bool GetSignal(int pin) const = 0;
// Get SCSI input signal value
virtual void SetSignal(int pin, bool ast) = 0;

1
cpp/hal/data_sample.h
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@ -31,7 +31,6 @@ class DataSample
virtual bool GetREQ() const = 0;
virtual bool GetACT() const = 0;
virtual uint8_t GetDAT() const = 0;
virtual bool GetDP() const = 0;
virtual uint32_t GetRawCapture() const = 0;

14
cpp/hal/data_sample_raspberry.cpp
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@ -1,14 +0,0 @@
//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2022 akuker
//
// [ SCSI Bus Monitor ]
//
//---------------------------------------------------------------------------
#include "shared/scsi.h"
#include "data_sample.h"

6
cpp/hal/data_sample_raspberry.h
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@ -74,10 +74,6 @@ class DataSample_Raspberry final : public DataSample
{
return GetSignal(PIN_ACT);
}
bool GetDP() const override
{
return GetSignal(PIN_DP);
}
uint8_t GetDAT() const override
{
uint8_t ret_val = 0;
@ -106,4 +102,4 @@ class DataSample_Raspberry final : public DataSample
private:
uint32_t data = 0;
};
};

45
cpp/hal/gpiobus.cpp
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@ -1,10 +1,11 @@
//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Powered by XM6 TypeG Technology.
// Copyright (C) 2016-2020 GIMONS
// Powered by XM6 TypeG Technology.
// Copyright (C) 2016-2020 GIMONS
// Copyright (C) 2023 Uwe Seimet
//
//---------------------------------------------------------------------------
@ -18,6 +19,7 @@
#ifdef __linux__
#include <sys/epoll.h>
#endif
#include <chrono>
using namespace std;
@ -403,42 +405,23 @@ bool GPIOBUS::PollSelectEvent()
#endif
}
//---------------------------------------------------------------------------
//
// Cancel SEL signal event
//
//---------------------------------------------------------------------------
void GPIOBUS::ClearSelectEvent()
{
GPIO_FUNCTION_TRACE
}
//---------------------------------------------------------------------------
//
// Wait for signal change
//
//---------------------------------------------------------------------------
bool GPIOBUS::WaitSignal(int pin, bool ast)
{
// Get current time
const uint32_t now = SysTimer::GetTimerLow();
// Calculate timeout (3000ms)
const uint32_t timeout = 3000 * 1000;
const auto now = chrono::steady_clock::now();
// Wait up to 3 s
do {
// Immediately upon receiving a reset
Acquire();
if (GetRST()) {
return false;
}
// Check for the signal edge
if (GetSignal(pin) == ast) {
return true;
}
} while ((SysTimer::GetTimerLow() - now) < timeout);
// We timed out waiting for the signal
// Abort on a reset
if (GetRST()) {
return false;
}
} while ((chrono::duration_cast<chrono::seconds>(chrono::steady_clock::now() - now).count()) < 3);
return false;
}

2
cpp/hal/gpiobus.h
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@ -182,8 +182,6 @@ class GPIOBUS : public BUS
// SEL signal event polling
bool PollSelectEvent() override;
// Clear SEL signal event
void ClearSelectEvent() override;
protected:
virtual void MakeTable() = 0;

11
cpp/hal/gpiobus_raspberry.cpp
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@ -644,17 +644,6 @@ void GPIOBUS_Raspberry::SetDAT(uint8_t dat)
#endif // SIGNAL_CONTROL_MODE
}
bool GPIOBUS_Raspberry::GetDP() const
{
return GetSignal(PIN_DP);
}
//---------------------------------------------------------------------------
//
// Create work table
//
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
//
// Signal table

8
cpp/hal/gpiobus_raspberry.h
View File

@ -137,8 +137,6 @@ class GPIOBUS_Raspberry : public GPIOBUS
// Set REQ signal
void SetREQ(bool ast) override;
bool GetDP() const override;
// Get DAT signal
uint8_t GetDAT() override;
// Set DAT signal
@ -174,12 +172,6 @@ class GPIOBUS_Raspberry : public GPIOBUS
// Set Control Signal
void SetMode(int pin, int mode) override;
// Set SCSI I/O mode
int GetMode(int pin) override
{
// Not implemented (or needed for thist gpio bus type)
(void)pin;
return -1;
}
bool GetSignal(int pin) const override;
// Get SCSI input signal value
void SetSignal(int pin, bool ast) override;

5
cpp/hal/gpiobus_virtual.cpp
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@ -372,11 +372,6 @@ void GPIOBUS_Virtual::SetREQ(bool ast)
SetSignal(PIN_REQ, ast);
}
bool GPIOBUS_Virtual::GetDP() const
{
return GetSignal(PIN_DP);
}
//---------------------------------------------------------------------------
//
// Get data signals

8
cpp/hal/gpiobus_virtual.h
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@ -97,8 +97,6 @@ class GPIOBUS_Virtual final : public GPIOBUS
void SetREQ(bool ast) override;
// Set REQ signal
bool GetDP() const override;
bool WaitREQ(bool ast) override
{
return WaitSignal(PIN_REQ, ast);
@ -120,12 +118,6 @@ class GPIOBUS_Virtual final : public GPIOBUS
// Set Control Signal
void SetMode(int pin, int mode) override;
// Set SCSI I/O mode
int GetMode(int pin) override
{
// Not implemented (or needed for thist gpio bus type)
(void)pin;
return -1;
}
bool GetSignal(int pin) const override;
// Get SCSI input signal value
void SetSignal(int pin, bool ast) override;

5
cpp/hal/pin_control.h
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@ -52,9 +52,6 @@ class PinControl
// Set ENB signal
virtual void SetENB(bool ast) = 0;
// Get parity signal
virtual bool GetDP() const = 0;
// GPIO pin direction setting
virtual void PinConfig(int pin, int mode) = 0;
// GPIO pin pull up/down resistor setting
@ -65,4 +62,4 @@ class PinControl
PinControl() = default;
virtual ~PinControl() = default;
};
};

6
cpp/hal/systimer.cpp
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@ -43,12 +43,6 @@ uint32_t SysTimer::GetTimerLow()
return systimer_ptr->GetTimerLow();
}
// Get system timer high byte
uint32_t SysTimer::GetTimerHigh()
{
return systimer_ptr->GetTimerHigh();
}
// Sleep for N nanoseconds
void SysTimer::SleepNsec(uint32_t nsec)
{

5
cpp/hal/systimer.h
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@ -29,8 +29,6 @@ class PlatformSpecificTimer
virtual void Init() = 0;
// Get system timer low byte
virtual uint32_t GetTimerLow() = 0;
// Get system timer high byte
virtual uint32_t GetTimerHigh() = 0;
// Sleep for N nanoseconds
virtual void SleepNsec(uint32_t nsec) = 0;
// Sleep for N microseconds
@ -48,8 +46,6 @@ class SysTimer
static void Init();
// Get system timer low byte
static uint32_t GetTimerLow();
// Get system timer high byte
static uint32_t GetTimerHigh();
// Sleep for N nanoseconds
static void SleepNsec(uint32_t nsec);
// Sleep for N microseconds
@ -57,7 +53,6 @@ class SysTimer
private:
static bool initialized;
static bool is_allwinnner;
static bool is_raspberry;
static std::unique_ptr<PlatformSpecificTimer> systimer_ptr;

10
cpp/hal/systimer_raspberry.cpp
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@ -92,16 +92,6 @@ uint32_t SysTimer_Raspberry::GetTimerLow()
return systaddr[SYST_CLO];
}
//---------------------------------------------------------------------------
//
// Get system timer high byte
//
//---------------------------------------------------------------------------
uint32_t SysTimer_Raspberry::GetTimerHigh()
{
return systaddr[SYST_CHI];
}
//---------------------------------------------------------------------------
//
// Sleep in nanoseconds

2
cpp/hal/systimer_raspberry.h
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@ -32,8 +32,6 @@ class SysTimer_Raspberry : public PlatformSpecificTimer
void Init() override;
// Get system timer low byte
uint32_t GetTimerLow() override;
// Get system timer high byte
uint32_t GetTimerHigh() override;
// Sleep for N nanoseconds
void SleepNsec(uint32_t nsec) override;
// Sleep for N microseconds

13
cpp/test/gpiobus_raspberry_test.cpp
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@ -219,16 +219,3 @@ TEST(GpiobusRaspberry, GetREQ)
bus.Acquire();
EXPECT_EQ(false, bus.GetREQ());
}
TEST(GpiobusRaspberry, GetDP)
{
SetableGpiobusRaspberry bus;
bus.TestSetGpios(0x00);
bus.TestSetGpioPin(PIN_DP, true);
bus.Acquire();
EXPECT_EQ(true, bus.GetDP());
bus.TestSetGpioPin(PIN_DP, false);
bus.Acquire();
EXPECT_EQ(false, bus.GetDP());
}

3
cpp/test/mocks.h
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@ -53,7 +53,6 @@ public:
MOCK_METHOD(void, SetENB, (bool), (override));
MOCK_METHOD(uint8_t, GetDAT, (), (override));
MOCK_METHOD(void, SetDAT, (uint8_t), (override));
MOCK_METHOD(bool, GetDP, (), (const override));
MOCK_METHOD(uint32_t, Acquire, (), (override));
MOCK_METHOD(int, CommandHandShake, (vector<uint8_t>&), (override));
MOCK_METHOD(int, ReceiveHandShake, (uint8_t *, int), (override));
@ -61,13 +60,11 @@ public:
MOCK_METHOD(bool, GetSignal, (int), (const override));
MOCK_METHOD(void, SetSignal, (int, bool), (override));
MOCK_METHOD(bool, PollSelectEvent, (), (override));
MOCK_METHOD(void, ClearSelectEvent, (), (override));
MOCK_METHOD(unique_ptr<DataSample>, GetSample, (uint64_t), (override));
MOCK_METHOD(void, PinConfig, (int, int), (override));
MOCK_METHOD(void, PullConfig, (int , int ), (override));
MOCK_METHOD(void, SetControl, (int , bool ), (override));
MOCK_METHOD(void, SetMode, (int , int ), (override));
MOCK_METHOD(int, GetMode, (int ), (override));
MockBus() = default;
~MockBus() override = default;